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2023-06-28 17:30:27
a)
21/31=1-10/31=1-100/310
217/317=1-100/317
vì 1/310>1/317 nên a<b
a)
21/31=1-10/31=1-100/310
217/317=1-100/317
vì 1/310>1/317 nên a<b